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Two teams of immunologist-geneticists were called. In 2018, a petition raising doubts over some of the evidence presented at Folbigg’s trial led to the first of two inquiries into Folbigg’s case. We also needed to sequence the childrens' and father’s genome," she adds.
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We wanted to do a full cardiovascular work-up. "I wrote to Kathleen's lawyers and told them we had found this mutation. "We discovered that there was a mutation in a gene that encodes calmodulin, and this is one of the most well-known causes of sudden death in infancy," Vinuesa tells Euronews. The next step in their scientific investigation was to visit Folbigg in prison and sequence her genome. They decided to draw up a list of genes that can cause sudden death. He was so shocked he gave the diaries to the police. Some of the lines his ex-wife had written set alarm bells ringing, like when she wrote that her daughter Sarah had "gone away with a little help". Years later, her former husband found Folbigg's personal diary. The trauma was huge so Folbigg and her husband’s relationship deteriorated and the couple decided to get a divorce. Two of the children had died of sudden infant death syndrome. Ten-month-old Sarah and 18-month-old Laura died later. Her husband came running, and they tried to resuscitate the child, but by the time the ambulance arrived he was dead.Īfter this she lost Patrick when the baby was just eight months old. "There's something wrong with my baby," she shrieked. She checked on her baby and realised he wasn't breathing.
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One night, Kathleen woke up because she needed to go to the toilet. The first to die was her son Caleb, aged 19 days. Joel Carrett/AAP Australia's 'most notorious killer' FILE - Kathleen Folbigg appears via video link during a convictions inquiry at the NSW Coroners Court, Sydney, Wednesday, May 1, 2019.
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